User Manual

Section 7. Operation
TABLE 7-2. Message Field parameters
Message
Field
Parameter Output
34 External sensor (Aux)
40 Precipitation intensity (mmh
-1
)
41 Precipitation accumulation
42 Drop size distribution bin values (0.1 mm increment
per value)
43 Average velocity (ms
-1
), average size (mm)
44 Type distribution
45
Size / velocity map type 1 (20 × 20)
46
Size / velocity map type 2 (32 × 32)
47
Campbell Scientific standard size / velocity map (34 × 34)
48 Peak-to-Pedestal ratio distribution histogram
49 Visibility range, in meters, averaged over 10 minutes
100 Internal LED temperatures: upper LED, lower LED
101 Internal detector temperatures: upper, lower
102 Laser hood temperature, laser temperature and laser
current
103 DC offsets: upper, lower, laser
104 Dirty window: upper, lower, laser
105 Battery voltage, hood %, dew %
106 Upper and lower detector differential voltage (mV) and
calibrated visibility voltage (mV)
150 Device s/n, operating system and hardware versions
151 Date and time: day count (from 01/01/2007) HH MM SS
152 Product name “PWS100”
153 Statistics period (s)
154 Watchdog count, maximum particles per second, particles
not processed, time lag
155 Processing statistics
156 Year, month, day
157 Hours, minutes, seconds
158 Averaged corrected visibility voltage (mV) and average
upper head voltage (mV)
159 CRC16-CCITT Checksum
7-8